Speaker



FIG. 1 is a perspective view of a speaker according to an embodiment of the claimed design;

FIG. 2 is a front elevational view of the speaker of FIG. 1;

FIG. 3 is a rear elevational view of the speaker of FIG. 1;

FIG. 4 is a left elevational view of the speaker of FIG. 1;

FIG. 5 is a right elevational view of the speaker of FIG. 1;

FIG. 6 is a top elevational view of the speaker of FIG. 1; and,

FIG. 7 is a bottom elevational view of the speaker of FIG. 1.

The broken lines represent the portions of the design that form no part of the claim. 

CLAIM The ornamental design for speaker, as shown and described. 